Description: To make a character's signature weapons available for all other characters, earn an "S" rank using that character on all missions up to mission 5-5.
Alternatively, you can spend 10 Nintendo 3DS Play Coins to unlock a character's weapons.

Resident Evil: The Mercenaries 3D is the first standalone Mercenaries title in
the Resident Evil series. It combines Resident Evil 4 and Resident Evil 5's
Mercenaries stages and plays much the same as RE5 Mercs, only with more tension
on the player much like RE4 Mercs.